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Wide Flange Steel I Beam: W10 × 33
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W10 × 33
Wide Flange Steel I Beam | Single Span | Two Equal Spans | Three Equal Spans | Four Equal Spans

For a simply supported beam in a single span, the maximum displacement w_max and the maximum normal stress stress_max occur at the center of the beam.
The tabulated data listed in this page are calculated based on the area moment of inertia (Ixx = 170 in4) for the W10 × 33 Wide Flange Steel I Beam and the typical Young's modulus (E = 3.046 × 107 psi) of steels. Note that the typical yielding stress Yield of steels can range from 1.015 × 104 to 2.970 × 105 psi. The purpose of this page is to give a rough estimation of the load-bearing capacity of this particular beam, rather than a guideline for designing actual building structures. Please check your local building codes for regulatory requirements.

Note: The weight of the beam itself is not included in the calculation.
L = 3 ft
L = 5 ft
L = 10 ft
L = 15 ft
L = 20 ft
L = 25 ft
L = 30 ft
L = 40 ft
L = 50 ft
L = 60 ft
L = 70 ft
L = 80 ft
L = 90 ft
  
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 1.16 × 10-5 12.7
40.0 1.41 × 10-5 15.5
50.0 1.76 × 10-5 19.3
60.0 2.11 × 10-5 23.2
70.0 2.46 × 10-5 27.0
80.0 2.82 × 10-5 30.9
90.0 3.17 × 10-5 34.8
100 3.52 × 10-5 38.6
200 7.04 × 10-5 77.3
300 1.06 × 10-4 116
400 1.41 × 10-4 155
500 1.76 × 10-4 193
600 2.11 × 10-4 232
700 2.46 × 10-4 270
800 2.82 × 10-4 309
900 3.17 × 10-4 348
1000 3.52 × 10-4 386
2000 7.04 × 10-4 773
3000 0.00106 1160
4000 0.00141 1550
5000 0.00176 1930
6000 0.00211 2320
7000 0.00246 2700
8000 0.00282 3090
9000 0.00317 3480
1.00 × 104 0.00352 3860
2.00 × 104 0.00704 7730
3.00 × 104 0.0106 1.16 × 104
4.00 × 104 0.0141 1.55 × 104
5.00 × 104 0.0176 1.93 × 104
6.00 × 104 0.0211 2.32 × 104
7.00 × 104 0.0246 2.70 × 104
8.00 × 104 0.0282 3.09 × 104
9.00 × 104 0.0317 3.48 × 104
1.00 × 105 0.0352 3.86 × 104
2.00 × 105 0.0704 7.73 × 104
3.00 × 105 0.106 1.16 × 105
4.00 × 105 0.141 1.55 × 105
5.00 × 105 0.176 1.93 × 105
6.00 × 105 0.211 2.32 × 105
7.00 × 105 0.246 2.70 × 105
7.69 × 105 0.271 2.97 × 105
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 8.96 × 10-5 35.4
40.0 1.09 × 10-4 42.9
50.0 1.36 × 10-4 53.7
60.0 1.63 × 10-4 64.4
70.0 1.90 × 10-4 75.1
80.0 2.17 × 10-4 85.9
90.0 2.44 × 10-4 96.6
100 2.72 × 10-4 107
200 5.43 × 10-4 215
300 8.15 × 10-4 322
400 0.00109 429
500 0.00136 537
600 0.00163 644
700 0.00190 751
800 0.00217 859
900 0.00244 966
1000 0.00272 1070
2000 0.00543 2150
3000 0.00815 3220
4000 0.0109 4290
5000 0.0136 5370
6000 0.0163 6440
7000 0.0190 7510
8000 0.0217 8590
9000 0.0244 9660
1.00 × 104 0.0272 1.07 × 104
2.00 × 104 0.0543 2.15 × 104
3.00 × 104 0.0815 3.22 × 104
4.00 × 104 0.109 4.29 × 104
5.00 × 104 0.136 5.37 × 104
6.00 × 104 0.163 6.44 × 104
7.00 × 104 0.190 7.51 × 104
8.00 × 104 0.217 8.59 × 104
9.00 × 104 0.244 9.66 × 104
1.00 × 105 0.272 1.07 × 105
2.00 × 105 0.543 2.15 × 105
2.77 × 105 0.752 2.97 × 105
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 0.00143 142
40.0 0.00174 172
50.0 0.00217 215
60.0 0.00261 258
70.0 0.00304 300
80.0 0.00348 343
90.0 0.00391 386
100 0.00435 429
200 0.00869 859
300 0.0130 1290
400 0.0174 1720
500 0.0217 2150
600 0.0261 2580
700 0.0304 3000
800 0.0348 3430
900 0.0391 3860
1000 0.0435 4290
2000 0.0869 8590
3000 0.130 1.29 × 104
4000 0.174 1.72 × 104
5000 0.217 2.15 × 104
6000 0.261 2.58 × 104
7000 0.304 3.00 × 104
8000 0.348 3.43 × 104
9000 0.391 3.86 × 104
1.00 × 104 0.435 4.29 × 104
2.00 × 104 0.869 8.59 × 104
3.00 × 104 1.30 1.29 × 105
4.00 × 104 1.74 1.72 × 105
5.00 × 104 2.17 2.15 × 105
6.00 × 104 2.61 2.58 × 105
6.92 × 104 3.01 2.97 × 105
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 0.00726 319
40.0 0.00880 386
50.0 0.0110 483
60.0 0.0132 580
70.0 0.0154 676
80.0 0.0176 773
90.0 0.0198 869
100 0.0220 966
200 0.0440 1930
300 0.0660 2900
400 0.0880 3860
500 0.110 4830
600 0.132 5800
700 0.154 6760
800 0.176 7730
900 0.198 8690
1000 0.220 9660
2000 0.440 1.93 × 104
3000 0.660 2.90 × 104
4000 0.880 3.86 × 104
5000 1.10 4.83 × 104
6000 1.32 5.80 × 104
7000 1.54 6.76 × 104
8000 1.76 7.73 × 104
9000 1.98 8.69 × 104
1.00 × 104 2.20 9.66 × 104
2.00 × 104 4.40 1.93 × 105
3.00 × 104 6.60 2.90 × 105
3.08 × 104 6.77 2.97 × 105
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 0.0229 567
40.0 0.0278 687
50.0 0.0348 859
60.0 0.0417 1030
70.0 0.0487 1200
80.0 0.0556 1370
90.0 0.0626 1550
100 0.0695 1720
200 0.139 3430
300 0.209 5150
400 0.278 6870
500 0.348 8590
600 0.417 1.03 × 104
700 0.487 1.20 × 104
800 0.556 1.37 × 104
900 0.626 1.55 × 104
1000 0.695 1.72 × 104
2000 1.39 3.43 × 104
3000 2.09 5.15 × 104
4000 2.78 6.87 × 104
5000 3.48 8.59 × 104
6000 4.17 1.03 × 105
7000 4.87 1.20 × 105
8000 5.56 1.37 × 105
9000 6.26 1.55 × 105
1.00 × 104 6.95 1.72 × 105
1.73 × 104 12.0 2.97 × 105
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 0.0560 885
40.0 0.0679 1070
50.0 0.0849 1340
60.0 0.102 1610
70.0 0.119 1880
80.0 0.136 2150
90.0 0.153 2410
100 0.170 2680
200 0.339 5370
300 0.509 8050
400 0.679 1.07 × 104
500 0.849 1.34 × 104
600 1.02 1.61 × 104
700 1.19 1.88 × 104
800 1.36 2.15 × 104
900 1.53 2.41 × 104
1000 1.70 2.68 × 104
2000 3.39 5.37 × 104
3000 5.09 8.05 × 104
4000 6.79 1.07 × 105
5000 8.49 1.34 × 105
5730 9.73 1.54 × 105
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 0.116 1270
40.0 0.141 1550
50.0 0.176 1930
60.0 0.211 2320
70.0 0.246 2700
80.0 0.282 3090
90.0 0.317 3480
100 0.352 3860
200 0.704 7730
300 1.06 1.16 × 104
400 1.41 1.55 × 104
500 1.76 1.93 × 104
600 2.11 2.32 × 104
700 2.46 2.70 × 104
800 2.82 3.09 × 104
900 3.17 3.48 × 104
1000 3.52 3.86 × 104
2000 7.04 7.73 × 104
2760 9.73 1.07 × 105
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 0.367 2270
40.0 0.445 2750
50.0 0.556 3430
60.0 0.667 4120
70.0 0.779 4810
80.0 0.890 5490
90.0 1.00 6180
100 1.11 6870
200 2.22 1.37 × 104
300 3.34 2.06 × 104
400 4.45 2.75 × 104
500 5.56 3.43 × 104
600 6.67 4.12 × 104
700 7.79 4.81 × 104
800 8.90 5.49 × 104
875 9.73 6.01 × 104
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 0.896 3540
40.0 1.09 4290
50.0 1.36 5370
60.0 1.63 6440
70.0 1.90 7510
80.0 2.17 8590
90.0 2.44 9660
100 2.72 1.07 × 104
200 5.43 2.15 × 104
300 8.15 3.22 × 104
358 9.73 3.84 × 104
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 1.86 5100
40.0 2.25 6180
50.0 2.82 7730
60.0 3.38 9270
70.0 3.94 1.08 × 104
80.0 4.51 1.24 × 104
90.0 5.07 1.39 × 104
100 5.63 1.55 × 104
173 9.73 2.67 × 104
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 3.44 6940
40.0 4.17 8410
50.0 5.22 1.05 × 104
60.0 6.26 1.26 × 104
70.0 7.30 1.47 × 104
80.0 8.35 1.68 × 104
90.0 9.39 1.89 × 104
93.3 9.73 1.96 × 104
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 5.87 9070
40.0 7.12 1.10 × 104
50.0 8.90 1.37 × 104
54.7 9.73 1.50 × 104
Steel I Beam: W10 × 33 (Wide Flange 10 inch tall × 33 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
33.0 9.41 1.15 × 104
34.1 9.73 1.19 × 104
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